Liquid Penetrant
Description
Liquid penetrant examination utilizes a penetrating oil with a red or fluorescent dye to penetrate surface breaking flaws for a designated dwell time. The penetrant is removed following the required time and a contrasting paint or fluorescent light is applied to show areas of residual penetrant which will vary in size in relation to the size of the discovered imperfection.
Certification Requirements:
- CGSB PT Level 2, and 3
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Results:
- Effective for stress corrosion cracking, fractures, cracks, stress, and fatigue damages.
- Effective at determining the area of damages.
- Strong visual representation of damages.
- Performed in accordance with specific procedures.
- Compliance with CWB 178.1 or equivalent standard.
